[INFO] fetching crate branca 0.9.1...
[INFO] checking branca-0.9.1 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate branca 0.9.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate branca 0.9.1 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate branca 0.9.1
[INFO] finished tweaking crates.io crate branca 0.9.1
[INFO] tweaked toml for crates.io crate branca 0.9.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd8f00260be6706c359d46f566ca3599b13a5929a62816dfc3322d10e567ce5c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd8f00260be6706c359d46f566ca3599b13a5929a62816dfc3322d10e567ce5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8f00260be6706c359d46f566ca3599b13a5929a62816dfc3322d10e567ce5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8f00260be6706c359d46f566ca3599b13a5929a62816dfc3322d10e567ce5c", kill_on_drop: false }`
[INFO] [stdout] cd8f00260be6706c359d46f566ca3599b13a5929a62816dfc3322d10e567ce5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 609c9c728a83e4ffe0caa16cb24d6e7e1db025a2c47f03aa37d4dbee2ae6dad9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "609c9c728a83e4ffe0caa16cb24d6e7e1db025a2c47f03aa37d4dbee2ae6dad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking orion v0.15.3
[INFO] [stderr]     Checking branca v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | /         (key_eq
[INFO] [stdout] 161 | |             & (self.nonce == other.nonce)
[INFO] [stdout] 162 | |             & (self.ttl == other.ttl)
[INFO] [stdout] 163 | |             & (self.timestamp == other.timestamp))
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 |         key_eq
[INFO] [stdout] 161 |             & (self.nonce == other.nonce)
[INFO] [stdout] 162 |             & (self.ttl == other.ttl)
[INFO] [stdout] 163 |             & (self.timestamp == other.timestamp)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | /         (key_eq
[INFO] [stdout] 161 | |             & (self.nonce == other.nonce)
[INFO] [stdout] 162 | |             & (self.ttl == other.ttl)
[INFO] [stdout] 163 | |             & (self.timestamp == other.timestamp))
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 |         key_eq
[INFO] [stdout] 161 |             & (self.nonce == other.nonce)
[INFO] [stdout] 162 |             & (self.ttl == other.ttl)
[INFO] [stdout] 163 |             & (self.timestamp == other.timestamp)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |         write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.25s
[INFO] running `Command { std: "docker" "inspect" "609c9c728a83e4ffe0caa16cb24d6e7e1db025a2c47f03aa37d4dbee2ae6dad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609c9c728a83e4ffe0caa16cb24d6e7e1db025a2c47f03aa37d4dbee2ae6dad9", kill_on_drop: false }`
[INFO] [stdout] 609c9c728a83e4ffe0caa16cb24d6e7e1db025a2c47f03aa37d4dbee2ae6dad9